US3385700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording process
Assignee: Gevaert Photo Producten NV
•
Filing: 1965-06-10
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Granted: 1968-05-28
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Expires: 1985-06-10
Abstract
No abstract record available.
Inventors
- 👤 Willems Jozef Frans
- 👤 Poot Albert Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:47
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/72; G03C1/73; G03F; G03F7/00; G03F7/004; G03F7/0045
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
49 words
A PHOTOGRAPHIC PROCESS COMPRISING THE STEP OF IMAGE-WISE OR RECORD-WISE EXPOSING TO U.V.-RADIATION AN ELEMENT CONTAINING AS U.V.-SENSITIVE COMPOUND A 3,5CYCLOHEXADIENONE COMPOUND CONTAINING IN ORTHO-POSITION TO THE OXO GROUP AT LEAST ONE ACETOXY GROUP OR A 2,5CYCLOHEXADIENONE COMPOUND CONTAINING A PARA-POSITION TO THE OXO-GROUP AT LEAST ONE ACETOXY GROUP.
Claim 2
Dependent Claim
49 words
A PHOTOGRAPHIC PROCESS COMPRISING THE STEP OF IMAGE-WISE OR RECORD-WISE EXPOSING TO U.V.-RADIATION AN ELEMENT CONTAINING AS U.V.-SENSITIVE COMPOUND A 3,5CYCLOHEXADIENONE COMPOUND CONTAINING IN ORTHO-POSITION TO THE OXO GROUP AT LEAST ONE ACETOXY GROUP OR A 2,5CYCLOHEXADIENONE COMPOUND CONTAINING A PARA-POSITION TO THE OXO-GROUP AT LEAST ONE ACETOXY GROUP.
Claim 3
Dependent Claim
30 words
A PHOTOGRAPHIC PROCESS ACCORDING TO CLAIM 1, WHEREIN THE ELEMENT ALSO CONTAINS A NUCLEOPHILLIC REAGENT CAPABLE OF REACTING WIITH A COMPOUND FORMED BY EXPOSING THE SAID CYCLOHEXADIENONE COMPOUND TO U.V.-RADIATION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |